/*
 * GslLeastSquaresSolver.hpp
 *
 * Copyright 2012 Pieter Agten
 *
 * This file is part of tltgen.
 *
 * tltgen is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * tltgen is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with tltgen.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @file   GslLeastSquaresSolver.hpp
 * @author Pieter Agten (pieter.agten@gmail.com)
 * @date   14 jan 2013
 */

#ifndef GSLLEASTSQUARESSOLVER_HPP
#define GSLLEASTSQUARESSOLVER_HPP

#include <gsl/gsl_vector.h>
#include <gsl/gsl_matrix.h>

#include "LeastSquaresSolver.hpp"

namespace tltgen {

  class GslLeastSquaresSolver : public LeastSquaresSolver {
  public:
    virtual ~GslLeastSquaresSolver();

    virtual void calculateParameters(ThermistorModel* model, ThermistorTable* thermistorTable, double *result) const;

  private:
    struct data {
      ThermistorModel* model;
      ThermistorTable* thermistorTable;
    };

    static int equation_f_wrapper(const gsl_vector *params, void *data, gsl_vector *f);
    static int equation_df_wrapper(const gsl_vector *params, void *data, gsl_matrix *J);
    static int equation_fdf_wrapper(const gsl_vector *params, void *data, gsl_vector *f, gsl_matrix *J);

  };
}

#endif
